.ws-core-l-stack .pf-l-stack,
.ws-core-l-stack .pf-l-stack__item {
  padding: .5rem !important;
  border: 2px dashed #393f44;
}

.ws-core-l-stack .ws-preview-html {
  display: flex;
  flex-direction: column;
  min-height: 30rem;
  width: 100%;
}

.ws-core-l-stack .pf-l-stack {
  flex-grow: 1;
}
